--- a/postgresql-simple.cabal
+++ b/postgresql-simple.cabal
@@ -89,7 +89,6 @@
   build-depends:
       aeson               >=1.4.1.0    && <1.6
     , attoparsec          >=0.13.2.2   && <0.14
-    , bytestring-builder  >=0.10.8.1.0 && <0.11
     , case-insensitive    >=1.2.0.11   && <1.3
     , hashable            >=1.2.7.0    && <1.4
     , Only                >=0.1        && <0.1.1
